Illiopsoas, Rectus Femoris, Sartorius and Tensor Fasciae Latae are the most important hip flexors. They connect your leg with the hip region and allow movements like bending waist or raising leg. Sometimes these flexors become abnormally tight which produces a sensation of tiredness and fatigue across the hip region. There are some very effective exercises which help you get rid of tight hips. To loosen tight hips you can do the following five exercises for quick results. - Foam roller stretch - Kneeling hip flexor stretch - Pigeon stretch - Spiderman stretch - Butterfly stretch Make sure you don’t stretch too much. Tight hips are prone to injuries.